《计算机组成原理与汇编语言》习?/p>
第一?/p>
1.
计算机中为什么都采用二进制数而不采用十进制数
?
2.
写出下列用原码或补码表示的机器数的真?/p>
:
a (1 01101101 (2 10001101 (3 01011001 (4 11001110
3.
填空
:
a (1 (123410=(2=(16
b (2 (34.687510=(2=(16
c (3 (271.33 10 = ( 2= ( 16
d (4 (101011001001 2 = ( 10 = ( 16
e (5 (1AB.E 16 = ( 10 = ( 2
f (6 (10101010.0111 2= ( 10 = ( 16
4.
已知
X=36,Y=-136,Z=-1250,
请写?/p>
X
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Y
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Z
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16
位原码、反码、和补码?/p>
5.
已知
[X]
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=01010101B,[Y]
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=10101010B,[Z]
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=1000111111111111B,
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X
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Y
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Z
?/p>
X+Y,Y-Z
的十进制值为多少
?
6.
?/p>
8
位补码进行下列运?/p>
,
并说明运算结果的进位和溢?/p>
:
a (1 33+114 (233-114 (3(-33+114 (4(-33 -114
7.
将下列十进制数表示为
8421BCD
?/p>
:
(18609 (25254 (32730 (42998